Home / 472,343,069.21-651,963,099.51-274,168,408.94

Finding the Fourth Proportional to 472,343,069.21, 651,963,099.51 and 274,168,408.94

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Solution

The fourth proportional to 472,343,069.21, 651,963,099.51 and 274,168,408.94 is: 378,427,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,343,069.21 : 651,963,099.51 = 274,168,408.94 : x
  2. Step 2: Convert to fraction form
    472,343,069.21/651,963,099.51 = 274,168,408.94/x
  3. Step 3: Cross multiply
    472,343,069.21x = 651,963,099.51 × 274,168,408.94
  4. Step 4: Simplify right side
    472,343,069.21x = 178,747,685,675,616,928
  5. Step 5: Solve for x
    x = 178,747,685,675,616,928/472,343,069.21
  6. Step 6: Final answer
    x = 378,427,666.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.